煤矿竖井井筒装备制定施工方案须注意的问题 关键词:煤矿竖井,井筒装备安装,施工方案,问题 [gap=433]Key words:coal mine vertical shaft, shaft equipment establishment, constructin scheme, problem
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本文研究用煤矿钻井法钻凿竖井时钢板-混凝土复合井壁内钢板的非线性失稳问题。
The non-linear stability problem occurred in the interior steel sheet of a steel-concrete composite bored shaft lining in coal mines is discussed.
分析临涣煤矿区竖井井壁破坏的原因，主要是由负摩擦力产生的纵向荷载引起的。
According to the analysis for failure reasons of vertical shaft wall in Linhuan Coal Mine, its main reason is longitudinal load produced by negative frictional force.
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